Life After the TARDIS: First Look at ‘Doctor Who’s’ Matt Smith in ‘Lost River’ Remember that movie Doctor Who star Matt Smith was making, right as his time in the TARDIS was winding down? And it’s why he shaved his head and had to wear a wig in his final Christmas special, and all that jazz? Well, buckle up, gang. That movie By Lacy Baugher for Movies on 5/21/2014